Brian Walker has been granted 17 US patents while listed as an inventor at Walker Filtration . The first was granted in 1980 and the most recent in October 2018. Brian Walker ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Brian Walker in Washington, OK, GB.
Patents per Year Patents granted per year, 1980 to 2018 Bar chart with a peak of 2 patents in 1981. peak 2 1980: 1 patents 1980 1981: 2 patents 1982: 1 patents 1982 1985: 1 patents 2000: 1 patents 2000 2004: 1 patents 2005: 1 patents 2005 2006: 1 patents 2007: 1 patents 2007 2009: 1 patents 2012: 1 patents 2012 2016: 1 patents 2017: 2 patents 2017 2018: 2 patents 2018
Issued Patents All Time
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Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date
10112141 Purification column Simon Wise , Peter Carney , Peter McHugh , Chris Nixon 2018-10-30
9895639 Filter assembly and filter element for use in the assembly Chris Nixon , Simon Wise , Peter Carney 2018-02-20
9604173 Purification column Simon Wise , Peter Carney , Peter McHugh , Chris Nixon 2017-03-28
9568112 Flow control device Simon Wise , Peter Carney 2017-02-14
9364783 Banked purification system Mark Reeves , Simon Wise 2016-06-14
8262784 Regenerative adsorption gas dryer Peter Carney 2012-09-11
7638008 Polyurethane roller coating process for carpet backing Glen Hamrick , Paul Walker , Jerry Lindsay 2009-12-29
7179418 Device and method for minimizing pathogens in heated water — 2007-02-20
7032325 Electronic control device for gas dryer — 2006-04-25
6953498 Adsorption gas dryer Richard Taggart 2005-10-11
6831257 Control system for multiple heating towers a method for heating liquids and distributing operating wear amongst a plurality of heating towers — 2004-12-14
6053277 Silencer assembly for pressurized gases Matthew Rowe , Richard Taggart 2000-04-25
4559066 Filters for purification of gases George S. Hunter , Kenneth Merrie 1985-12-17
4360433 Filter elements for gas or liquid Kenneth Merrie 1982-11-23
4303472 Filter elements for gas or liquid and methods of making such filters Kenneth Merrie 1981-12-01
4272318 Apparatus for making filter elements for gas or liquid Kenneth Merrie 1981-06-09
4196027 Method of making filter elements for gas or liquid George S. Hunter , Susanne Phyllis Hunter 1980-04-01